" [Resolving intractable conflicts] takes time. John Paul Lederach once said that he almost got thrown out of a meeting in Northern Ireland regarding the conflict there when he suggested it might take them a long to get out of the conflict as it had to get into it (centuries). This is of course not always the case, but it is a prudent consideration. "

― Peter T. Coleman , The Five Percent: Finding Solutions to Seemingly Impossible Conflicts